Enzymes that remove phosphate groups from their substrates are called ________.
What will be an ideal response?
phosphatases
phosphatase
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Mitosis ________
A) creates diversity in genetic potential B) is division of the genetic material within the nucleus C) is always a part of the cell cycle D) is the formation of sex cells
Which of the following refers to the movement of air into and out of the lungs?
A) pulmonary ventilation B) external respiration C) internal respiration D) gas exchange
Explain the functional significance of the T-tubules of the sarcolemma and the terminal cisternae of the sarcoplasmic reticulum
A) The increased surface of both structures increases the speed and efficiency with which the end-plate potential leads to sarcomere contraction. B) The abundance of each structure increases the rate of ATP production. C) The T-tubules and terminal cisternae enhance the chemical attraction between myosin and actin. D) The increased surface area provides space for more ligand gated ion channels, thus increasing the effectiveness of acetylcholine binding.
Describe the changes in blood flow and pressure that result when someone engages in prolonged strenuous exercise. Indicate how pressure, flow, and resistance change systemically and in the skeletal muscles being used.
What will be an ideal response?